Hello I'm building a watch well bread boarding it. I normally use a Ds3231 RTC chip. Well right now there is none unless i buy a few of them from amazon. And if i just buy one it cost more that way. So iwas wondering if anyone know of any Real time clock modules that keep great time like the Ds3231 That can work with the arduino? I have a bunch of 1307 well really bad at keeping time.